PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • * that carbon dioxide is a greenhouse gas and warms the lower atmosphere (though debate remains as to the magnitude and timescale of the warming),
http://www.w3.org/ns/prov#wasQuotedFrom
  • climaterealists.com